Home / 18,699.44-25,802.52-10,740.12

Finding the Fourth Proportional to 18,699.44, 25,802.52 and 10,740.12

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Solution

The fourth proportional to 18,699.44, 25,802.52 and 10,740.12 is: 14,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.44 : 25,802.52 = 10,740.12 : x
  2. Step 2: Convert to fraction form
    18,699.44/25,802.52 = 10,740.12/x
  3. Step 3: Cross multiply
    18,699.44x = 25,802.52 × 10,740.12
  4. Step 4: Simplify right side
    18,699.44x = 277,122,161.10
  5. Step 5: Solve for x
    x = 277,122,161.10/18,699.44
  6. Step 6: Final answer
    x = 14,819.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.